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use std;
use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Rem, RemAssign, Sub, SubAssign};
use std::time::Duration;
#[derive(Copy, Clone, Debug, Default, Eq, PartialEq, Ord, PartialOrd)]
pub struct MicroSeconds(pub u64);
impl MicroSeconds {
pub fn is_valid(&self) -> bool {
*self != super::USEC_INVALID
}
pub fn checked_add(self, other: Self) -> Option<Self> {
self.0.checked_add(other.0).and_then(|i| Some(MicroSeconds(i)))
}
pub fn checked_add_duration(self, rhs: Duration) -> Option<Self> {
let usecs = MicroSeconds::from(rhs);
self.0.checked_add(usecs.0).and_then(|i| Some(MicroSeconds(i)))
}
pub fn checked_sub(self, other: Self) -> Option<Self> {
self.0.checked_sub(other.0).and_then(|i| Some(MicroSeconds(i)))
}
pub fn checked_sub_duration(self, rhs: Duration) -> Option<Self> {
let usecs = MicroSeconds::from(rhs);
self.0.checked_sub(usecs.0).and_then(|i| Some(MicroSeconds(i)))
}
pub fn checked_mul(self, rhs: u32) -> Option<Self> {
self.0.checked_mul(rhs as u64).and_then(|i| Some(MicroSeconds(i)))
}
pub fn checked_div(self, rhs: u32) -> Option<Self> {
self.0.checked_div(rhs as u64).and_then(|i| Some(MicroSeconds(i)))
}
pub fn checked_rem(self, rhs: u32) -> Option<Self> {
self.0.checked_rem(rhs as u64).and_then(|i| Some(MicroSeconds(i)))
}
}
impl Add for MicroSeconds {
type Output = Self;
fn add(self, other: Self) -> Self {
MicroSeconds(self.0 + other.0)
}
}
impl AddAssign for MicroSeconds {
fn add_assign(&mut self, rhs: Self) {
*self = *self + rhs;
}
}
impl Add<Duration> for MicroSeconds {
type Output = Self;
fn add(self, rhs: Duration) -> Self {
self.checked_add_duration(rhs).unwrap()
}
}
impl AddAssign<Duration> for MicroSeconds {
fn add_assign(&mut self, rhs: Duration) {
*self = self.checked_add_duration(rhs).unwrap();
}
}
impl Sub for MicroSeconds {
type Output = Self;
fn sub(self, other: Self) -> Self {
MicroSeconds(self.0 - other.0)
}
}
impl SubAssign for MicroSeconds {
fn sub_assign(&mut self, rhs: Self) {
*self = *self - rhs;
}
}
impl Sub<Duration> for MicroSeconds {
type Output = Self;
fn sub(self, rhs: Duration) -> Self {
self.checked_sub_duration(rhs).unwrap()
}
}
impl SubAssign<Duration> for MicroSeconds {
fn sub_assign(&mut self, rhs: Duration) {
*self = self.checked_sub_duration(rhs).unwrap();
}
}
impl Mul<u32> for MicroSeconds {
type Output = Self;
fn mul(self, rhs: u32) -> Self {
MicroSeconds(self.0 * rhs as u64)
}
}
impl MulAssign<u32> for MicroSeconds {
fn mul_assign(&mut self, rhs: u32) {
*self = *self * rhs;
}
}
impl Div<u32> for MicroSeconds {
type Output = Self;
fn div(self, rhs: u32) -> Self {
MicroSeconds(self.0 / rhs as u64)
}
}
impl DivAssign<u32> for MicroSeconds {
fn div_assign(&mut self, rhs: u32) {
*self = *self / rhs;
}
}
impl Rem<u32> for MicroSeconds {
type Output = Self;
fn rem(self, rhs: u32) -> Self {
MicroSeconds(self.0 % rhs as u64)
}
}
impl RemAssign<u32> for MicroSeconds {
fn rem_assign(&mut self, rhs: u32) {
*self = *self % rhs;
}
}
impl std::fmt::Display for MicroSeconds {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(f, "{} µs", self.0)
}
}